Cited by 147Microbial Metabolites in Food BiotechnologyGut microbiota and healthProbiotics and Fermented Foods

Polydextrose, Lactitol, and Fructo-Oligosaccharide Fermentation by Colonic Bacteria in a Three-Stage Continuous Culture System

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Probert, Hollie M., Apajalahti, Juha H. A., Rautonen, Nina, Stowell, Julian, Gibson, Glenn R.·2004·Applied and Environmental Microbiology

Abstract

In vitro fermentations were carried out by using a model of the human colon to simulate microbial activities of lower gut bacteria. Bacterial populations (and their metabolic products) were evaluated under the effects of various fermentable substrates. Carbohydrates tested were polydextrose, lactitol, and fructo-oligosaccharide (FOS). Bacterial groups of interest were evaluated by fluorescence in situ hybridization as well as by species-specific PCR to determine bifidobacterial species and percent-G+C profiling of the bacterial communities present. Short-chain fatty acids (SCFA) produced during the fermentations were also evaluated. Polydextrose had a stimulatory effect upon colonic bifidobacteria at concentrations of 1 and 2% (using a single and pooled human fecal inoculum, respectively). The bifidogenic effect was sustained throughout all three vessels of the in vitro system ( P = 0.01 seen in vessel 3), as corroborated by the bacterial community profile revealed by %G+C analysis. This substrate supported a wide variety of bifidobacteria and was the only substrate where Bifidobacterium infantis was detected. The fermentation of lactitol had a deleterious effect on both bifidobacterial and bacteroides populations ( P = 0.01) and decreased total cell numbers. SCFA production was stimulated, however, particularly butyrate (beneficial for host colonocytes). FOS also had a stimulatory effect upon bifidobacterial and lactobacilli populations that used a single inoculum ( P = 0.01 for all vessels) as well as a bifidogenic effect in vessels 2 and 3 ( P = 0.01) when a pooled inoculum was used. A decrease in bifidobacteria throughout the model was reflected in the percent-G+C profiles.

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Crossref · 10.1128/aem.70.8.4505-4511.2004

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  1. [16]Hilton, E., P. Kolakowski, C. Singer, and M. Smith. 1997. Efficacy of Lactobacillus GG as a diarrheal preventive in travelers. J. Travel Med. 4:41-43. [DOI] [PubMed] [Google Scholar]

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Authors
Probert, H. M., Apajalahti, J. H. A., Rautonen, N., Stowell, J., & Gibson, G. R.
Affiliations
  • University of Reading (GB)
  • Danisco Innovation, FIN-02460 Kantvik, Finland
  • Danisco Sweeteners, Redhill, United Kingdom
Venue
Applied and Environmental Microbiology
Published
2004-08
Volume
70
Issue
8
Pages
4505-4511
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2167949743
Cited by
147
References
39
Citations by year
2024: 1 · 2023: 4 · 2022: 6 · 2021: 6 · 2020: 3 · 2019: 2 · 2018: 6 · 2017: 8 · 2016: 6 · 2015: 9 · 2014: 9 · 2013: 3 · 2012: 5
FWCI
8.70
Type
journal article
Language
en
Open access
Locations
  • Applied and Environmental Microbiology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords
polydextrose, lactitol, fructooligosaccharides, colonic fermentation, Bifidobacterium, Bifidobacterium infantis, short-chain fatty acids, butyrate, lactobacilli, Bacteroides, bifidogenic effect, prebiotics, bacterial community composition
MeSH terms
Bacteria, Bifidobacterium, Colon, Culture Media, Fatty Acids, Volatile, Fermentation, Glucans, Humans, Oligosaccharides, Species Specificity, Sugar Alcohols, Polymerase Chain Reaction, In Situ Hybridization, Fluorescence, Ecosystem

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